| 摘要 |
A winder (200) for a bag machine comprising an infeed nip defined between two infeed rollers (203,205), a first spindle (337), located along a first alternative film path, wherein after leaving the infeed nip the film can follow the first alternative film path nip to the first spindle to be wound about the first spindle, and a second spindle (338), located along a second alternative film path, wherein after leaving the infeed nip the film can follow the second alternative film path nip to the second spindle to be wound about the second spindle, wherein the winder further comprises an over speed nip defined between two over speed rollers (307,309), located along a film path, wherein the film moves from the infeed nip to the over speed nip, and then to one of the first and second alternative film paths. |
